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海南岛珍稀濒危植物区系研究
引用本文:方彦,谢春平. 海南岛珍稀濒危植物区系研究[J]. 南京林业大学学报(自然科学版), 2006, 30(4): 138-140
作者姓名:方彦  谢春平
作者单位:南京森林公安高等专科学校,江苏,南京,210046;南京林业大学森林资源与环境学院,江苏,南京,210037
摘    要:海南岛共有珍稀濒危植物35科49属57种,其中蕨类1科1属1种,裸子植物5科7属10种,被子植物29科41属46种。从区系组成和地理成分分析,其植物区系的特点是:(1)热带成分具明显优势,占总属数约80%;(2)珍稀濒危植物表现出一定的过渡特征,部分属具有温带性;(3)海南岛珍稀濒危植物区系与华南地区有直接的关联,且与中印半岛的植物区系也有一定的联系。

关 键 词:海南岛  珍稀濒危植物  区系特征
文章编号:1000-2006(2006)04-0138-03
收稿时间:2005-12-08
修稿时间:2006-04-10

The Floristic Analysis of Rare and Endangered Plants in Hainan Island
FANG Yan,XIE Chun-ping. The Floristic Analysis of Rare and Endangered Plants in Hainan Island[J]. Journal of Nanjing Forestry University(Natural Sciences ), 2006, 30(4): 138-140
Authors:FANG Yan  XIE Chun-ping
Affiliation:1. Nanjing Forest Police College, Nanjing 210046,China; 2. College of Forest Resources and Environment Nanjing Forestry University, Nanjing 210037,China
Abstract:According to the literatures concerned,the rare and endangered plants of Hainan Island consists of 57 species,49 genera and 35 families,which include:pteridophytes 1 species,1 genera and 1 family;gymnospermae 10 species,7 genera and 5 families;angiospermae 46 species,41 genera and 29 families.Based on the analysis of the composition and the geographical elements,it indicates that the flora has the following features:(1)The tropical composition shows the obvious advantages,and it occupies 80% of the total number of genera;(2)the rare and endangered plants show some characters of the interims,and some parts of genera have temperate zone features;(3)the flora of rare and endangered plants in Hainan Island has the association with the South China flora and the flora of China-India Peninsula.Finally,measures and proposals for protection are put forward for the rare and endangered plants in Hainan Island.
Keywords:Hainan Island   Rare and endangered plants   Floristic characteristics
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